{"type":"firestarter.listing","listing":{"id":"lst_AbbUIf6F","product_name":"Round Bryozoan Fossil Ring","category":"Rings","description":"This unusual and very special ring features a 110 million year old fossil, set in warm 22k gold and accented with two 22k gold diamond dots. The setting measures approximately 5/8 inch in diameter. This stone is incredibly beautiful, with mysterious gray and black patterns.\n4mm hammered sterling silver band and back with a matte finish.","images":["https://cdn.shopify.com/s/files/1/1479/9532/files/24-09-02_004_1200.jpg?v=1754593048","https://cdn.shopify.com/s/files/1/1479/9532/files/24-09-06_032.jpg?v=1771265126","https://cdn.shopify.com/s/files/1/1479/9532/files/24-09-02_003_1200.jpg?v=1771265126"],"price":1015,"currency":"USD","in_stock":true,"inventory_qty":149985,"dynamic_pricing":false,"listed_at":"2026-06-18T20:45:27.298Z"},"share_url":"https://firestarter.network/l/lst_AbbUIf6F","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_AbbUIf6F' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Round Bryozoan Fossil Ring' and a budget_max comfortably above $1015.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}